X+4=-21+7

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Solution for X+4=-21+7 equation: 


Simplifying
X + 4 = -21 + 7

Reorder the terms:
4 + X = -21 + 7

Combine like terms: -21 + 7 = -14
4 + X = -14

Solving
4 + X = -14

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + X = -14 + -4

Combine like terms: 4 + -4 = 0
0 + X = -14 + -4
X = -14 + -4

Combine like terms: -14 + -4 = -18
X = -18

Simplifying
X = -18

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